This is the 7728th most frequent Dutch word.
denkend
Thinking.
In this sentence, 'denkend' is used as a present participle to describe an ongoing action ('thinking') of the subject ('Hij').
Hij zit aan het raam, denkend aan wat er gebeurd is.
He is sitting by the window, thinking about what happened.
Here, 'denkend' functions as an adverbial phrase, providing context to the main clause ('a smile appeared on his face').
Denkend aan zijn jeugd, kreeg hij een glimlach op zijn gezicht.
Thinking about his youth, a smile appeared on his face.
In this case, 'denkend' forms part of an instruction, emphasizing the continuous effort of 'thinking' about solutions.